package alibaba;

import java.util.*;
public class Main2 {
    private static int pick(int[] peaches) {
        return 0;
    }
    public static void main(String[] args){
        Scanner in = new Scanner(System.in);
        int trees = Integer.parseInt(in.nextLine().trim());
        int[] peaches = new int[trees];
        for (int i = 0; i < peaches.length; i++) {
            peaches[i] = Integer.parseInt(in.nextLine().trim());
        }
        System.out.println(pick(peaches));
    }

}